Silica Flour 99% — High-temp cement

Description

1. Product Overview

Silica Flour 99% — High-Temp Cement is a high-purity, finely milled crystalline silica material engineered for use in high-temperature cement systems and specialized industrial formulations. It is widely utilized as a key additive in oil well cementing and refractory applications where thermal stability and compressive strength are critical. The product delivers exceptional performance by preventing strength retrogression in cement exposed to elevated temperatures, ensuring long-term structural integrity. Its key value proposition lies in enhancing durability, thermal resistance, and chemical stability in demanding environments. Strategically, Silica Flour 99% is essential for energy, construction, and refractory industries where high-performance cement systems must maintain reliability under extreme operating conditions.

2. Key Specifications & Technical Characteristics

• Chemical Composition:
  • Silicon Dioxide (SiO₂): ~99%
  • Trace mineral oxides (Al₂O₃, Fe₂O₃, CaO, MgO – minimal levels)
• Purity Level / Grade:
  • Industrial high-purity silica grade
  • Minimum 99% SiO₂ content
• Physical Characteristics:
  • Form: Fine powder / flour
  • Color: White to off-white
  • Particle Size: Typically 200–325 mesh (application-dependent)
  • Specific Gravity: ~2.65
  • Bulk Density: Approx. 1.2–1.6 g/cm³ depending on compaction
  • Non-combustible and thermally stable
• Packaging Options:
  • Bulk bags (1 MT jumbo bags)
  • 25 kg industrial sacks
  • Bulk shipment for large-scale industrial use
• Shelf Life:
  • Indefinite shelf life when stored in dry, moisture-free conditions

3. Core Industrial Applications

Primary Industries:

• Oil and gas drilling and well cementing
• Refractory and high-temperature construction materials
• Industrial cement manufacturing
• Foundry and metallurgical operations

Operational Use Cases:

• Additive in oil well cement formulations to prevent strength retrogression above 110°C
• Reinforcement component in high-temperature refractory cements
• Mineral filler in specialty cement blends and mortars
• Thermal stability enhancer in industrial construction materials

Performance & Cost Advantages:
Silica Flour 99% significantly improves cement performance under high-temperature and high-pressure conditions, particularly in deep oil and gas wells. Its fine particle size promotes uniform dispersion, improving compressive strength and reducing permeability. Compared to lower-purity mineral fillers, high-purity silica flour delivers superior chemical stability and long-term durability, reducing maintenance costs and operational risk in critical infrastructure and energy applications.

4. Competitive Advantages

• Quality Consistency: Controlled milling and strict quality assurance ensure uniform particle size distribution and purity
• Supply Reliability: Stable sourcing from established mineral processing operations
• Logistics Capability: Bulk packaging solutions designed for global industrial shipping and storage
• Price Competitiveness: Cost-efficient high-purity silica compared to specialty engineered fillers
• Sustainability Benefits: Naturally occurring mineral resource with minimal processing footprint
• Technical Documentation: Full technical data sheets, COA, and safety documentation available

Positioned as a strategic material input, Silica Flour 99% enables industrial buyers to optimize high-temperature cement formulations, improve operational reliability, and maintain structural performance in extreme environments.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT
• Loading Capacity (MT per container): Approximately 20–27 MT per 20’ container depending on packaging configuration